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Abstract

This system is interposed between a plurality of sources of data and a plurality of data sinks or receivers and controls the flow of data between them. Such data modifications are made as the control system is programmed to effect.

Country

United States

Language

English (United States)

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Data Flow Control System

This system is interposed between a plurality of sources of data and a
plurality of data sinks or receivers and controls the flow of data between them.
Such data modifications are made as the control system is programmed to effect.

A data processing system includes sources of data 1, 2 and 3 together with
data sinks or receivers 4, 5 and 6. Between the sources and sinks are a plurality
of logic units 7... 11. Each is capable of performing logical operations on the data
presented to it and passing the modified data to its output lines. Each logical unit
has one or more input registers R settable by input data and at least one gate G
for each register R. Gates G are settable to connect a data output source, either
a source 1, 2, or 3 or a logic unit 7... 11, when functioning as a source, to a
register R. Each register R has one bit position settable to a valid data condition
when the register has received data and resettable when the data has been
transferred through its logic unit. There are enough gates interconnecting the
logic units, the sources, and the sinks so that data can be transferred from any
source to any data sink through the logic units needed to perform en route such
data modifications as are desired.

Each source, logic unit, and sink generates signals indicating its condition of
readiness, the validity of its data and similar information signals. All of these
signals are transmitted through cable 12 to Advance Generator 13. Generator 13
provides a signal for each gate G. This allows the gate to pass data into its
connected register R and simultaneously sets the valid data bit position of the
register. Generator 13 also receives signals from Program Control 14, set by
Instruction Unit 15 in accordance with instructions stored in Memory 16. These
signals identify the gates which can be energized and, hence, the data path or...